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Title : Piping and Valves Doc. No. L-001 Annex: E Valve Data Sheet CHES50J
Project : Company : Rev.Date : 20.09.99 Rev. : 3

Valve Type End To End Standard End Type 1 End Type 2 End Standard Size From (in) Size To (in) Notes
CHECK VALVE DUAL WAFER API 594 RJ RJ ASME B16.5 2.00 24.00

Notes
Pressure Rating CL 900
Design Code API 594
General Requirement VSK V052
Leak Test VSK V007
Marking VSK V003
Low Temp. Appl. VSK V408

Max Design Pressure Barg 148.9 148.9 144.4 126.6 115.5 107.0 100.2 94.9 91.3
At Temperature Deg. C -101 38 50 100 150 200 250 300 350

Subject/Item Design and Material Requirement Material MDS EDS
BODY/BONNET Body with hinge and stop pin, retainers or retainerless design ASTM A351 CF8M
A182 F51
S02
S01

INSIDE TRIM Metal to metal seating


PORT



CLOSURE MEMBER Dual disc; Material according to EDS

NTR2
HINGE AND STOP PIN
AISI 316

SEAT Integral seats; Material according to EDS

NTR2
SPRING
UNS N0625
UNS N10276



SEALS



OUTSIDE TRIM



BOLTING Material according to EDS

NBO2
SPECIAL REQUIREMENTS Wetted parts suitable for sour service to NACE MR0175



Notes :